NGC 559

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Open star cluster
NGC 559
NGC 559.png
AladinLite
Constellation Cassiopeia
Position
equinox : J2000.0
Right ascension 01 h 29 m 33 s
declination + 63 ° 18 ′ 05 ″
Appearance

classification II 2 m
Brightness  (visual) 9.5 likes
Brightness  (B-band) 9.85 likes
Angular expansion 7 '
Redness ( excess color  E (BV)) 1.638
Physical data

Affiliation Milky Way
distance  4100 ly
(1258 pc )
history
Discovered by Wilhelm Herschel
Discovery time November 9, 1787
Catalog names
 NGC  559 • C 0126 + 630 • OCl 322 •  Cr  13 • Lund 45 •  IRAS  01259 + 6301 •  GC  330 •  H  VII 48 •  h  124 •

NGC 559 is a type II2p open star cluster in the constellation Cassiopeia in the northern sky. It has an angular extension of 7.0 'and an apparent magnitude of +9.5 mag. The cluster is around 4,000 light years from the solar system.

The object was discovered on November 9, 1787 by the German-British astronomer Friedrich Wilhelm Herschel .

Web links

Individual evidence

  1. ↑ a b NASA / IPAC EXTRAGALACTIC DATABASE
  2. ↑ a b SEDS: NGC 559
  3. ↑ a b SIMBAD database
  4. ^ A site Devoted to Stellar Clusters in the Galaxy and the Magellanic Clouds
  5. ↑ Seligman